CN202383022U - Multifunctional pipe checking and material testing device - Google Patents
Multifunctional pipe checking and material testing device Download PDFInfo
- Publication number
- CN202383022U CN202383022U CN2011204748193U CN201120474819U CN202383022U CN 202383022 U CN202383022 U CN 202383022U CN 2011204748193 U CN2011204748193 U CN 2011204748193U CN 201120474819 U CN201120474819 U CN 201120474819U CN 202383022 U CN202383022 U CN 202383022U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- concentric
- tubing
- fanning strip
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a multifunctional pipe checking and material testing device, which mainly comprises circular check member chucks, a support cylinder, a rolling support frame, a location plate, a pressure sensor, a displacement sensor, a total hydraulic cylinder and a control cabinet, wherein the circular check member chucks are 2n (n is a natural number of not less than 2) equal concentric fan-shaped plates, annular gaps between every two fan-shaped plates are equal, a plurality of concentric annular grooves with different depths and widths are arranged in front of the circular check member chucks, the pressure of a hydraulic station is controlled to ensure branch hydraulic cylinder pistons to displace to drive the concentric fan-shaped plates to radially move, thus annular samples in the concentric annular grooves can be subjected to mechanical property tests such as drawing and compressing. The multifunctional pipe checking and material testing device can be used for testing various performances of a composite material and a pipe material, and can also be used for testing various performances of a metal material and a building material, and has the advantages of multiple functions, convenience and simpleness in operation, rapidness and accuracy in testing, capability of filed use and the like.
Description
Technical field
The utility model relates to a kind of tubing check and material test device, especially for a kind of multi-functional tubing check and the material test device of new materials such as macromolecular material, compound substance, functionally gradient material (FGM), belongs to test mechanics device technique field.
Background technology
Press at present the test hydrostatic(al) processes (referring to the GB/T6111-2003 FLUID TRANSPORTATION with thermoplastic plastic pipe internal pressure-resistant test method) that adopt in the tubing, the tubing of different size, material need dispose different end sockets more; The tubing specification is bigger or bear more height of pressure, and then end socket is more expensive; During test, the tubing two ends are retrained by end socket, thereby have changed the stress of tubing, have influenced precision of test result; For eliminating the influence of end socket, need the lengthening tubular product sample, thereby cause the waste of material, also need increase the pressure testing output, influence test efficiency; In addition, the tubing of different size, material, the reasonable length of sample are also different.In addition, the tubing ability of bearing external pressure is weighed with the ring stiffness of tubing.The measuring method of ring stiffness be 2 to platen press, do not consider that soil is to the supporting role of tubing in the actual condition.To this, still lack systematically research at present.More there is not scientific and reasonable experimental machine.For heavy caliber pipe, still lack effective method of testing and equipment at present.
Present various high molecular hard material, the performance test of compound substance hard material still do not have corresponding testing tool and equipment; Still continue to use the means of testing and the method for metal material, for example GB/T 1040.2-2006 plastic tensile method for testing performance, GB1446-2005 The generals of test methods for properties of fiberreinforced plastics.Testing equipment comparatively commonly used is a universal testing machine.
Material properties test result's accuracy depends on method of testing and sample production method.The material sample that matches with universal testing machine is generally dumb-bell shape (stretching), rectangle (crooked or shearing) and cylinder (square column) shape (compression).Because the metal material material is more even, and very inresponsive to temperature, the sample production method is very little to the influence of material, so utilize the universal testing machine test result comparatively accurate.
Macromolecular material can damage its surface to responsive to temperature in various degree when the machining sample, thereby influences the test result of material property.The size that the degree of injury of sample production method, specimen surface, finished surface amass etc. all can influence test result, causes very big difference sometimes.
The material of compound substance is extremely inhomogeneous, and machining can cause major injury to specimen surface.Transitivity perpendicular to the square upward force of fiber is relatively poor, when the fleece-laying direction when receiving force direction inconsistent, sample is prone to be distorted, thereby influences test result. so dumbbell specimen is inappropriate for long fiber composites.
Gradient property material is a brand-new material, develops very rapid.Gradient property material sample stretches on omnipotent machine or when compressing, its internal force departed from the xsect centre of form with joint efforts, with making a concerted effort not on same longitudinal axis of external force, stretchings-bending made up or compression-bending is made up thereby form.Therefore, universal testing machine is difficult to test the stretching and the compression performance of gradient property material.
Test result inaccurate, particularly for long fiber composites, functionally gradient material (FGM), the test result distortion is bigger, has had a strong impact on composite study and product development work.
Summary of the invention
The purpose of the utility model is exactly the above-mentioned shortcoming that exists to prior art; When bearing radially (inside and outside) well-distributed pressure according to annulus; Its hoop is for stretching or contraction principle; A kind of multi-functional tubing check and material test device are provided, solve the particularly check of heavy caliber pipe and high molecular hard material, compound substance hard material, gradient property material of tubing.
The concrete technical scheme that the utility model is taked is: a kind of multi-functional tubing check and material test device mainly contain circular check part chuck, support cylinder, rolling bracing frame, location-plate, pressure transducer, displacement transducer, total hydraulic cylinder and switch board and form.Described circular check part chuck is the concentric fanning strip that the 2n piece equates; The radial clearance equates between adjacent fanning strip; Its front has annular concentric groove, the back side of some different depths and width to be fixed with 2n location-plate and 4n rolling bracing frame; The back side of every concentric fanning strip is fixed with a location-plate and two rolling bracing frames, and the location-plate of fanning strip is flexibly connected by straight pin with dividing the hydraulic cylinder piston with one heart.(n is >=2 natural number)
Described total hydraulic cylinder is fixed on the base plate of support cylinder; On the same at an upper portion thereof plane; Protruding 2n branch hydraulic cylinder, the circular hole that divides hydraulic cylinder to pass the rolling bracing frame divides the hydraulic cylinder pistons end to flexibly connect with straight pin with the location-plate that is fixed on the concentric fanning strip.(n is >=2 natural number)
The circular hole that has on the described rolling bracing frame and divide the hydraulic cylinder external diameter to equate is equipped with 2n and organizes double rolling steel balls in the circular hole.(n is >=2 natural number)
The xsect of described annular concentric groove is a rectangle, and the degree of depth is more than or equal to the length of check part, and width is confirmed with reference to tubing specification and material ring-shaped sample.
Fanning strip is confirmed according to the precision and the grade of multi-functional tubing check and material experiment device with the number of dividing hydraulic cylinder with one heart.
The group of double rolling steel balls is several in the rolling bracing frame circular hole confirms according to the size of dividing the hydraulic cylinder diameter.
At a minute hydraulic cylinder piston place installation position displacement sensor, Hydraulic Station setting pressure sensor, Hydraulic Station links together through petroleum pipeline, valve with total hydraulic cylinder, and is connected with switch board.Control Hydraulic Station pressure is subjected to displacement branch hydraulic cylinder piston, drives concentric fanning strip and moves radially, and both can do mechanical property tests such as stretching, compression to the ring-shaped sample that is placed in the annular concentric groove.
Circular check part chuck has the annular concentric groove of several different depths and width, so, can carry out service check to the tubing of unlike material different size, or the ring-shaped material sample of different-diameter is tested.
Compare with the current material testing machine, the utlity model has following advantage:
The specimen shape rule, finished surface is few, can significantly reduce because of specimen surface damage errors caused.
Sample does not need clamping, can eliminate the anchor clamps errors caused thus.In addition, also saved the anchor clamps manufacturing expense.
The stretching of material, compression, bend specimen shape, consistent size have reduced because of the machining errors caused, and institute measures and monitor the growth of standing timber and expects that consistency of performance is better.
The material sample hoop is evenly stressed, need not carry out the transmission of power perpendicular to machine direction, and sample also is difficult for distortion, therefore, is applicable to the performance measurement of long fiber composites.
The material sample hoop does not have external force, and internal force is from balancing each other, and non-moment produces, and is applicable to the performance measurement of gradient property construction material.
Compare with existing tubing testing equipment, the utlity model has following advantage:
The tubular product sample two ends need not install end socket additional, have both eliminated the end socket errors caused, have reduced the end socket manufacturing expense again.
Tubular product sample length is less to the measurement result influence, only need lack annulus during the pipe performance test and get final product, and has therefore reduced material consumption, has reduced measurement expense.
Add the quantity in force, the length and the diameter of increasing boosting-rod through increase, can measure the performance of heavy caliber pipe, thereby can solve this difficult problem of large pipe performance test.
Respectively add the size of the power that contracts in the force through adjustment, but simulated soil to the effect of buried pipeline, this is that present tubing testing equipment can't be accomplished.
Can realize the pipe performance on-the-spot test.
The present invention both can be used for the various performances of test compound material, tubing, can be used for testing the various performances of metal material, building materials again, have a tractor serves several purposes, easy and simple to handle, test quick and precisely, can on-the-spot use etc. advantage.Can be adaptable across government supervision inspection body, scientific research institutions, institution of higher learning, tubing manufacturer and pipeline construction unit.
Description of drawings
Figure one is a kind of multi-functional tubing check and material test device synoptic diagram
1, switch board, 2, Hydraulic Station, 3, petroleum pipeline, 4, valve, 5, support cylinder; 6, total hydraulic cylinder, 7, location-plate, 8, piston, 9, divide hydraulic cylinder, 10, the rolling bracing frame; 11, concentric fanning strip, 12, displacement transducer, 13, pressure transducer, 14, straight pin, 17, steel ball.
Figure two is circular check part chuck vertical views
7, location-plate, 10, the rolling bracing frame, 11, fanning strip with one heart, 15, annular concentric groove 1-4,16, radial clearance between adjacent fanning strip.
Figure three is circular check part chuck A-A cut-open views
7, location-plate, 10, the rolling bracing frame, 11, fanning strip with one heart, 15, annular concentric groove 1-4,17, steel ball.
Embodiment
Equaling 4 (n=2) with 11 number 2n of concentric fanning strip is embodiment; The utility model is further specified: described multi-functional tubing check of present embodiment and material test device, can check external diameter respectively is 110,200,315 and four kinds of PE tubing and the material property of 500mm.
With external diameter is 110,200,315 and four kinds of PE tubing of 500mm, and contrast PE tubing gauge table is tried to achieve average wall thickness respectively.On a plane of the steel disc of a thickness 60mm, diameter 550mm, process 4 annular concentric grooves 15, each annular concentric groove 15 size is following:
Groove 1: external diameter 112mm, internal diameter 88mm, degree of depth 35mm;
Groove 2: external diameter 202mm, internal diameter 162mm, degree of depth 35mm;
Groove 3: external diameter 318mm, internal diameter 256mm, degree of depth 35mm;
Groove 4: external diameter 504mm, internal diameter 408mm, degree of depth 35mm.
With the steel disc of making annular concentric groove 15, be evenly divided into 4 concentric fanning strips 11 through the center of circle, the concentric radial clearance 16 between adjacent two concentric fanning strips 11 is 15mm.
The circle check part chuck that is divided into behind the concentric fanning strip 11, in the one side that does not have annular concentric groove 15, stationary positioned plate 7 and rolling bracing frame 10.Total hydraulic cylinder 6 is fixed on the base plate of support cylinder 5, divides the circular hole on the rolling bracing frame 10 that hydraulic cylinder 9 passes concentric fanning strip 11 back sides each, divides hydraulic cylinder piston 8 and 14 flexible connections of location-plate 7 usefulness straight pins.At minute hydraulic cylinder piston 8 a place installation position displacement sensor 12, Hydraulic Station 2 setting pressure sensors 13, Hydraulic Station 2 links together through petroleum pipeline 3, valve 4 with hydraulic cylinder assembly 6, is connected with switch board 1.Control Hydraulic Station 2 pressure are subjected to displacement piston 8, drive concentric fanning strip 11 and move radially, and both can do mechanical property tests such as stretching, compression to the ring-shaped sample that is placed in the annular concentric groove 15.
When using the utility model, can be with reference to following steps:
1, preparation sample.On tubing to be checked, cut the sample of specified length, or make specified diameter and length annulus with material to be checked;
2,, put into the annular concentric groove of the concentric fanning strip of the utility model the sample to be checked for preparing;
3, on the operation board of switch board, key in the stated number a tree name, carry out record;
4, enabled instruction button, hydraulic system is started working, and reaches that setting value divides the hydraulic cylinder piston to move to stop or sample to be checked when destroying, and carries out record;
5,, both can measure the mechanical property of material or tubing according to data such as the Hydraulic Station pressure that writes down, fanning strip radial displacements.
Claims (4)
1. a multi-functional tubing is checked and the material test device; Mainly containing circular check part chuck, support cylinder, rolling bracing frame, location-plate, pressure transducer, displacement transducer, total hydraulic cylinder and switch board forms; It is characterized in that: described circular check part chuck is the concentric fanning strip that the 2n piece equates; The radial clearance equates between adjacent fanning strip; Its front has annular concentric groove, the back side of some different depths and width to be fixed with 2n location-plate and 4n rolling bracing frame; The back side of every concentric fanning strip is fixed with a location-plate and two rolling bracing frames, and with one heart the location-plate of fanning strip is flexibly connected by straight pin with dividing the hydraulic cylinder piston, and n is >=2 natural number.
2. multi-functional tubing check according to claim 1 and material test device; It is characterized in that: total hydraulic cylinder is fixed on the base plate of support cylinder; On the same at an upper portion thereof plane, protruding 2n branch hydraulic cylinder divides hydraulic cylinder to pass the circular hole of rolling bracing frame; Divide the hydraulic cylinder pistons end to flexibly connect with straight pin with the location-plate that is fixed on the concentric fanning strip, n is >=2 natural number.
3. a kind of multi-functional tubing check according to claim 1 and material test device is characterized in that: have on the rolling bracing frame and divide the hydraulic cylinder external diameter equal circular hole, 2n is housed in the circular hole organizes double rolling steel balls, and n is >=2 natural number.
4. a kind of multi-functional tubing check according to claim 1 and material test device, it is characterized in that: the xsect of annular concentric groove is a rectangle, and the degree of depth is more than or equal to the length of check part, and width is confirmed with reference to tubing specification and material ring-shaped sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204748193U CN202383022U (en) | 2011-11-25 | 2011-11-25 | Multifunctional pipe checking and material testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204748193U CN202383022U (en) | 2011-11-25 | 2011-11-25 | Multifunctional pipe checking and material testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383022U true CN202383022U (en) | 2012-08-15 |
Family
ID=46631517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204748193U Expired - Fee Related CN202383022U (en) | 2011-11-25 | 2011-11-25 | Multifunctional pipe checking and material testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202383022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410960A (en) * | 2011-11-25 | 2012-04-11 | 合肥华宇橡塑设备有限公司 | Method for multifunctional pipe inspection and material testing, and apparatus thereof |
| CN103353423A (en) * | 2013-06-30 | 2013-10-16 | 浙江大学 | Internal pressure-bending load testing apparatus for polyolefin pipe and polyolefin composite pipe |
-
2011
- 2011-11-25 CN CN2011204748193U patent/CN202383022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410960A (en) * | 2011-11-25 | 2012-04-11 | 合肥华宇橡塑设备有限公司 | Method for multifunctional pipe inspection and material testing, and apparatus thereof |
| CN103353423A (en) * | 2013-06-30 | 2013-10-16 | 浙江大学 | Internal pressure-bending load testing apparatus for polyolefin pipe and polyolefin composite pipe |
| CN103353423B (en) * | 2013-06-30 | 2015-04-15 | 浙江大学 | Internal pressure-bending load testing apparatus for polyolefin pipe and polyolefin composite pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102410960A (en) | Method for multifunctional pipe inspection and material testing, and apparatus thereof | |
| US10684203B2 (en) | Ring shear and seepage-coupled apparatus and ring shear and seepage-coupled test system for rock and rock fracture under tension or compression stress | |
| CN106644758B (en) | Rock direct shear and point load test device and test operation method thereof | |
| CN109855957B (en) | Rock three-point bending clamp for size effect test | |
| CN111751214B (en) | Deep soft rock anchoring interface drawing experimental device and method | |
| CN102967506B (en) | Middle-sized rock servo control true triaxial test device | |
| CN102879266B (en) | Method for testing uniaxial compression elasticity modulus of inorganic binder stabilizing material | |
| CN105527172B (en) | A kind of device and assay method for measuring ground cylinder sample Shear Strength Index | |
| CN113281190A (en) | Hydraulic engineering asphalt concrete direct tensile test device and application method thereof | |
| CN106769847B (en) | FRP sticking strength comprehensive tester | |
| CN101603900B (en) | Self-balancing test device and method for directly testing axial tensile strength of early-age concrete | |
| CN203785966U (en) | Portable rock triaxial compression tester | |
| CN202383022U (en) | Multifunctional pipe checking and material testing device | |
| CN117571063B (en) | Reinforcing steel bar performance detection device and detection method thereof | |
| CN109470565B (en) | Method for testing dynamic Poisson's ratio of asphalt mixture | |
| CN107167381B (en) | Tensile and compression ring shearing circumferential seepage tester and system thereof | |
| CN110132714B (en) | Device and method for testing deformation parameters of irregular rock mass sample | |
| CN209878347U (en) | Hydraulic stretcher calibrating device | |
| CN202886200U (en) | Medium-sized rock-servo-controlled true triaxial test device | |
| CN105865940B (en) | A kind of live sliding surface shear index test device of non-disturbance | |
| CN107884271B (en) | Impact-pulling converter for rock dynamic direct tensile test and impact-pulling test method | |
| CN206300850U (en) | A kind of telescopic shear box three dimension stress direct shear apparatus of ring | |
| CN209148447U (en) | A kind of solid concrete compression strength annulus draw cut method detection device | |
| CN113834731A (en) | Experiment system and method for in-situ measurement of elastic modulus and shear strength of rock mass | |
| Sun et al. | Buckling failure analysis of hydraulic cylinder rod on the flap institutions for power catwalk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20171125 |